<!DOCTYPE html>
<html lang='zh-CN'>
<head>
    <meta charset='UTF-8'>
    <meta name='viewport' content='width=device-width, initial-scale=1.0, maximum-scale=1.0, shrink-to-fit=no, viewport-fit=cover'>
    <title>标题</title>
</head>
<body>
    html-5
</body>
</html>